Looking for reliable, quality and proven car parts for your Citroën or Peugeot cars? Introducing the BSI control unit BSI04EV K05-00, specially designed for the Citroën C4 and Peugeot 308. This product comes directly from the Peugeot 308 and is known for its reliability and functionality in vehicle comfort systems.

BSI units are a key element for the proper functioning of the electronic systems of the car, for example controls central locking, lights, alarm and other functions. By using the original part, such as this, you provide smooth running of these systems without the risk of incompatibility or disorders that may occur when using non -original parts.

technical information
Manufacturer: Johnson Controls
Models compatible: Citroën C4, Peugeot 308
Product codes: 9664059180 02, 6580SP, 1663371880, 6570A0

Thanks to detailed knowledge of the design and functionality of Citroën and Peugeot cars, we recommend this part as an ideal solution for replacement of older or damaged control units. It not only ensures the restoration of the original functionality of the car, but can also contribute to better overall manageability and safety of your vehicle.

Be assured that each part in our offer has undergone thorough control and is ready for installation. Contact us with confidence for the purchase of car parts that provide both high quality and affordable price.

Keep in mind that the use of the right auto parts not only increases the performance and reliability of your car, but also contributes to long -term value and life. Choose BSO04EV K05-00 for your Citroën C4 or Peugeot 308 and enjoy the ride with peace and safe.

This used BSI (Body System Interface) unit BSI04EV K05-00 by Johnson Controls is a direct replacement option for Citroën and Peugeot comfort electronics. Designed for workshops and experienced DIY mechanics, the module is suitable when the original BSI shows symptoms such as random central locking faults, interior light malfunctions, intermittent indicators or communication errors on the vehicle network. The listing includes common product codes used in searches to help you find the exact match quickly.

Technical Information

• Manufacturer: Johnson Controls
• Model: BSI04EV K05-00 (Donor: Citroën C4 2010)
• Product Codes: 9664059180, K05-00
• Other Numbers: 1663373080, 6580ZG, 6580ZH, 02

Fitment And Compatible Models

Unit originates from Citroën C4 (2010). It is commonly fitted to related PSA group vehicles and may be compatible with certain Citroën and Peugeot models (for example Peugeot 308) that use the BSI04EV K05-00 hardware. Always check product codes against the vehicle’s existing unit when searching.

Function

The BSI is the vehicle comfort and body control module. Typical responsibilities include central locking, interior and exterior lighting logic, wiper and indicator control, power windows, alarm and immobilizer interface, courtesy functions and acting as a gateway on the vehicle CAN networks. Faulty BSI behavior can manifest as electrical gremlins across these systems and network communication errors.

Replacement Procedure

1. Prepare: Park on level ground, engage handbrake and remove ignition key.
2. Safety first: Disconnect the vehicle battery before any work on the BSI or wiring.
3. Access: Remove trim or glovebox panels as required to reach the BSI unit (locations vary by model).
4. Disconnect: Unplug all multi-pin connectors carefully, release retaining clips and remove mounting screws.
5. Swap or Transfer: If applicable, transfer brackets or sensors from the old unit to the replacement.
6. Reinstall: Fit the replacement unit, reconnect connectors and secure mounting hardware.
7. Coding/Programming: See Installation and Coding – Important section below for required procedures.
8. Final Check: Reconnect battery, perform diagnostic scan for errors and verify operation of comfort functions.

Installation Recommendations

• Always disconnect the negative battery terminal before removal to avoid damage to the unit and vehicle electronics.
• Inspect connectors for corrosion, bent pins or water ingress; clean and repair as necessary before final assembly.
• Secure connectors with dielectric grease where appropriate to reduce future corrosion risk in damp environments.
• Ensure the unit is mounted on its original bracket with correct vibration isolation to prevent solder joint fatigue.
• Use factory-level diagnostics (DiagBox/Lexia/PP2000) or equivalent for configuration and adaptation after installation.

Why The Part Most Commonly Fails

• Water Ingress And Corrosion: Moisture entering the area or connectors causes corrosion and short circuits.
• Thermal And Vibration Stress: Repeated heating/cooling cycles and vibration lead to cracked solder joints or component failure.
• Voltage Spikes And Poor Battery Connections: Electrical surges or intermittent battery supply can damage internal electronics.
• Connector Wear Or Pin Damage: Loose or damaged pins create intermittent faults and communication errors.

Installation And Coding – Important

– The unit is used and is paired with the original vehicle (VIN/PIN/keys).

– Options to commission:

1. Cloning data from the old unit (EEPROM/Flash) – after cloning the unit is plug and play.
2. Virginization and subsequent initialization/telecoding via DiagBox (or online) + key adaptation.

– Recommended to be performed by a technician with PSA service equipment (DiagBox/Lexia/PP2000).

– Always disconnect the battery before dismantling/installation and follow the manufacturer procedure to avoid damaging the unit.

Notes For Mechanics And DIYers

This BSI unit is intended for experienced technicians and competent DIY mechanics comfortable with vehicle electronics and coding procedures. If you plan to reuse system data, cloning the EEPROM/Flash yields the fastest return to full functionality. If not cloned, the unit must be virginized and programmed to the vehicle with appropriate diagnostic tools to restore immobilizer and comfort functions.

Keywords: BSI, BSI04EV, K05-00, Johnson Controls, Citroën C4 BSI, Peugeot BSI, 9664059180, 1663373080, 6580ZG, 6580ZH, Body Control Module, BSI replacement, DiagBox.

If you’re searching for a reliable and high-quality replacement part for your Citroën or Peugeot vehicle, the BSI04EV K05-00 unit is an excellent choice to restore your car’s electronic systems. Originally from a 2010 Peugeot 308, this control module guarantees compatibility and functionality.

Function and Importance

The BSI (Built-in Systems Interface) unit is a crucial component of your vehicle’s electronic system, managing essential comfort features such as electric windows, central locking, and other integrated functions. Being a key electronic control module, selecting a reliable BSI unit like this one ensures smooth and trouble-free operation of your vehicle.

Technical Information

Manufacturer: Johnson Controls
Model: Peugeot 308
Product Codes: 9664059180, 026570A, 1663371880, 6580SP
Additional Numbers: 6580SP

This unit is specifically designed for Citroën and Peugeot models, providing a high level of compatibility and performance.

Installation and Reliability

By purchasing this BSI unit, you obtain not only a reliable spare part but also a solid foundation for the long-term secure functionality of your vehicle. Due to the complexity of the electronic systems involved, professional installation is recommended to ensure full and proper operation of all vehicle functions.

Why Choose This BSI Unit?

Restore your vehicle’s comfort and safety with the BSI04EV K05-00 unit. Balancing quality, functionality, and price, it represents a worthwhile investment for car repairs. Its popularity among professional mechanics and DIY enthusiasts alike proves its reliability and effectiveness as a replacement part.

This BSI (Body System Interface) unit is a direct-match electrical control module commonly referenced by part numbers 9664059180 / 966405918001 and K05-00. Intended for professional garages and experienced DIY mechanics working on Citroën and Peugeot vehicles, this unit manages central comfort and security functions and is often searched for by its OEM codes (e.g. 9664059180). Clear listing of original codes makes fast identification and ordering simple when replacing a faulty comfort module.

Technical Information

• Manufacturer: Johnson Controls
• Model: BSI04EV K05-00
• Product Codes: 9664059180, 966405918001, K05-00
• Other Numbers: 6580RN, 6580RP, 1663372780, 28119249-6D, 28120836-4

Compatibility

Common fitment includes Citroën C4 and Peugeot 308 (verify exact code match before installation). Always compare the unit’s printed or stamped numbers with the vehicle’s existing module to ensure compatibility.

Function

The BSI (Body System Interface) coordinates multiple comfort and convenience systems: central locking, interior and exterior lighting logic, wiper control, interior electronics power distribution, key recognition/immobiliser interface and communication with other CAN-bus modules. A correctly programmed BSI ensures proper behaviour of remote locking, alarm, interior lights, and certain comfort functions.

Installation

General replacement steps: disconnect the negative battery terminal, remove the trim panels to access the BSI, unplug wiring harness connectors, unbolt the unit and swap with the replacement. Reconnect connectors securely, refit trim and reconnect the battery. After mechanical replacement, the unit usually requires cloning or coding to match the vehicle’s immobiliser and keys (see coding section).

Installation And Coding – Important

• The unit is used and is “paired” to the original vehicle (VIN/PIN/keys).
• Options to make the unit operational:
  1. Cloning data from the old unit (EEPROM/Flash) – after cloning the unit is plug and play.
  2. Virginisation and subsequent initialization/telecoding via DiagBox (or online) + key adaptation.
• Recommended to be performed by a specialist with PSA service equipment (DiagBox/Lexia/PP2000).
• Always disconnect the battery before removal/installation and follow the manufacturer’s procedures to avoid damaging the unit.

Recommendations For Installation

Work should be carried out with basic diagnostic capability and an oscilloscope or multimeter to verify power and CAN-bus signals where possible. Protect connectors from contamination, ensure all pins are straight and clean before reconnection, and avoid switching the battery on while connectors are unplugged. If you are cloning or coding, use official PSA tools (DiagBox/Lexia) or a qualified service to perform EEPROM/flash operations.

Why The Part Fails Most Often

• Water ingress or moisture leading to corrosion of connectors or internal electronics.
• Electrical surges or poor battery jump-starts causing internal component failure.
• Connector corrosion or broken solder joints from vibration and age.
• Software corruption after improper battery disconnection or failed coding attempts.

Technical buyers: check all listed OEM numbers (9664059180, 966405918001, K05-00) against the unit being replaced. Matching product and other reference numbers ensures correct fit and reduces rework. This listing includes the common reference and additional factory numbers to help identify the correct BSI for your Citroën or Peugeot.